Administer, managed and worked in a fast pace environment with thousands of servers.
◆ Participate in 24/7 On-Call Rotation both as Primary and Secondary Linux System Administrator.
◆ Participate in off hour bridge meeting for troubleshooting or emergency fixes.
◆ Involved in design and enforcing of standards in place to ensure that all application design and code is produced with proper integrity, security, and performance.
◆ Worked on the installation of Operating System software on different OS platforms.
◆ Responsible for Troubleshooting various network problems and system problems.
◆ Building of physical and virtual machines, Network Configuration, and server Hardening.
◆ Manage system processes and scheduling processes with the cron utility.
◆ Proficient in Troubleshooting both independently with Team Mates and with my support team.
◆ Performed proactive server maintenance procedures to ensure optimal performance.
◆ Regular Security Patching and Critical Patch Updates.
◆ Created and managed user accounts, log management, shared folders, Reporting, Group Policy Restrictions, etc.
◆ Actively involved in monitoring Linux servers through log management and performance tuning.
◆ Work with version control systems using Bitbucket and GIT.
◆ Practical working knowledge of Ansible playbook and roles.
◆ Experience with enterprise X86 servers
◆ Exposure on provisioning systems, Automated Build Platforms.
◆ Collaborate with team mates and support teams in resolving escalating issues. ◆ Interacting with customers to talk about their problems and request regarding system issues. ◆ Ensure that client's computers have access to servers and other network resources.
◆ Help customers with internet connectivity.
◆ Provide customer service to resolve computer issues.
◆ Perform duties as assigned in support of the customer and assisting end-users with general IT questions and support
◆ Mentoring of new employees/hire

20707 ● Installation, configuration, securing and monitoring of system infrastructure ● Working and supporting developer by setting up development workflow and managing
Them ● Setup and support of Linux based applications ● Write, test, and implement Bash shell scripts to automate and simplify the support of systems. ● Maintain a high level of Linux systems and associated application software support. ● Provide computer/network support relating to software and hardware failure on Linux systems. ● Assist in the quality assurance testing of applications that run on the Linux systems. ● Analyzing system logs and identifying potential issues with computer systems ● Creating and deleting user accounts, enforcing security and compliance rules to regarding passwords and access to computer systems. ● Installation of OMD/CheckMk monitoring tool for checking system Performance. ● Monitoring system metrics/activities with Check_MK ● Configuring passwordless login between multiple servers for automated authentication. ● Installation of different applications on production server ● Performing routing patches of Linux OS servers using Red Hat Satellite ● Using service now and remedy ticketing system to track team tickets and assigned tasks ● Apache HTTP administration& supports ● Managing MySQL database using PHPMyAdmin ● Performed database backup and restore and general database supports ● Taking snapshots of servers using VMware ESXI prior to patching servers ● Coordinating patch plan with Application team prior to patch management ● Set up Git, Jenkin, Tomcat servers for application deployments ● Installation of Jenkins server for Continuous integration and development purpose ● Managed Red-Hat satellite server for patches & updates. ● Providing on call support by rotation 24x7x365 ● Installation of Samba server for file share & Integration with windows server ● Performing routine audits of systems and software ● Performing backups and backup maintenance checking ● Role-Based Access control management for users ● Installing and managing packages using yum and rpm tools. ● Providing End to End Linux Administration including installation, configuration, upgrades, and maintenance and troubleshooting of Linux systems. ● Configuring and setting up NFS filesystems. ● Day-to-day, hands on work building, and maintaining Linux systems in a highly virtualized environment. ● Using of Kickstart to build automation into daily processes, including server builds